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C84800 Brass vs. C89320 Bronze

Both C84800 brass and C89320 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is C84800 brass and the bottom bar is C89320 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 18
17
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 230
270
Tensile Strength: Yield (Proof), MPa 100
140

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 150
180
Melting Completion (Liquidus), °C 950
1050
Melting Onset (Solidus), °C 830
930
Specific Heat Capacity, J/kg-K 370
360
Thermal Conductivity, W/m-K 72
56
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
15
Electrical Conductivity: Equal Weight (Specific), % IACS 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 27
37
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.5
Embodied Energy, MJ/kg 46
56
Embodied Water, L/kg 340
490

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
38
Resilience: Unit (Modulus of Resilience), kJ/m3 53
93
Stiffness to Weight: Axial, points 6.6
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.3
8.5
Strength to Weight: Bending, points 9.6
10
Thermal Diffusivity, mm2/s 23
17
Thermal Shock Resistance, points 8.2
10

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.35
Bismuth (Bi), % 0
4.0 to 6.0
Copper (Cu), % 75 to 77
87 to 91
Iron (Fe), % 0 to 0.4
0 to 0.2
Lead (Pb), % 5.5 to 7.0
0 to 0.090
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 1.5
0 to 0.3
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.080
0 to 0.080
Tin (Sn), % 2.0 to 3.0
5.0 to 7.0
Zinc (Zn), % 13 to 17
0 to 1.0
Residuals, % 0
0 to 0.5